/*
 * Copyright © 2011 Nokia Corporation. All rights reserved.
 * Nokia and Nokia Connecting People are registered trademarks of Nokia Corporation. 
 * Oracle and Java are trademarks or registered trademarks of Oracle and/or its
 * affiliates. Other product and company names mentioned herein may be trademarks
 * or trade names of their respective owners. 
 * See LICENSE.TXT for license information.
 */ 

package com.nokia.example.wordpress.helpers;

import java.util.Vector;
import javax.microedition.lcdui.Font;

/**
 * Utility for wrapping text to a certain width.
 * Brute force method.
 */
public class TextWrapper {

    /**
     * Wraps text
     * @param text Text to be wrapped
     * @param wrapWidth Max width of one line in pixels
     * @param font Font to be used in calculating 
     * @return
     */
    public static Vector wrapTextToWidth(String text, int wrapWidth, Font font) {
        int lineWidth = 0;
        Vector lines = new Vector();
        StringBuffer line = new StringBuffer();
        for (int i = 0; i < text.length(); i++) {
            char c = text.charAt(i);
            int charWidth = font.charWidth(c);
            lineWidth += charWidth;
            if (lineWidth < wrapWidth) {
                line.append(c);
            } else {
                lines.addElement(line.toString());
                line = new StringBuffer();
                line.append(c);
                lineWidth = charWidth;
            }
        }
        lines.addElement(line.toString());
        return lines;
    }
}
